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LLMS • CURATED • UPDATED JUL 23, 2024

Llama 3.1 405B

The first frontier-scale open-weight language model

Llama 3.1 405B is Meta's 405-billion-parameter dense open-weight model, released in July 2024. It was the first openly available model to reach frontier-level performance on reasoning, coding, and multilingual tasks, with a 128K-token context window and native tool-use support.

Pricing Free
Platforms web, api, local
API Yes
Open Source Yes
Modalities LLMs
Best For Best for Frontier Open Research
Date Added 2024-07-23

Llama 3.1 405B remains a landmark open release: it proved open weights could compete with proprietary frontier models and still serves as a high-quality baseline for research and synthetic-data generation.

Claude Opus 4.6 Claude Opus 5 NotebookLM GPT-5.6 Sol Kimi K3
Free Completely free
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Q

Is Llama 3.1 405B free?

A

Yes, Llama 3.1 405B is completely free to use.

Q

Does Llama 3.1 405B have an API?

A

Yes, Llama 3.1 405B offers an API for programmatic integration.

Q

What is Llama 3.1 405B best for?

A

Llama 3.1 405B is best for Best for Frontier Open Research. Llama 3. Llama 3.1 405B remains a landmark open release: it proved open weights could compete with proprietary frontier models and still serves as a high-quality baseline for research and synthetic-data generation.

Q

What platforms does Llama 3.1 405B support?

A

Llama 3.1 405B supports web, api, local.

Q

Is Llama 3.1 405B open source?

A

Yes, Llama 3.1 405B is open source. You can access the source code on GitHub at https://github.com/meta-llama/llama-models.

Q

How do I use Llama 3.1 405B?

A

Llama 3.1 405B is a large language model for text generation, analysis, and conversation. Access through the web interface. Enter prompts or questions to get responses.

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